By Reverse Contingency Durch umgekehrte Kontingenz By Reverse Contingency Por Contingencia Inversa Por Contingencia Inversa Par contingence inverse על ידי תנאי הפוך उलटी आवश्यकता के अनुसार 逆転的因果関係によって Por contingência reversa 通过反向因果关系 Engagement fee model where a client pays a fee represented by the percentage of the amount of money that a client saved in litigation — often expressed as the difference between a third party's originally demanded amount (from the client) and the client's ultimate payment amount.